2021-04-18 15:53  阅读(82)
文章分类:Java 基础实战 文章标签:JavaJava 教程
©  原文作者:w3cschool 原文地址:https://www.w3cschool.cn/java/java-examples.html

以下实例演示了如何使用 getThreadId() 方法获取线程id:

    /*
     author by w3cschool.cn
     Main.java
     */
    
    public class Main extends Object {
       private static Runnable makeRunnable() {
          Runnable r = new Runnable() {
             public void run() {
                for (int i = 0; i < 5; i++) {
                   Thread t = Thread.currentThread();
                   System.out.println("in run() - priority="
                   + t.getPriority()+ ", name=" + t.getName());
                   try {
                      Thread.sleep(2000);
                   }
                   catch (InterruptedException x) {
                   }
                }
             }
          };
          return r;
       }
       public static void main(String[] args) {
          System.out.println("in main() - Thread.currentThread().getPriority()=" + Thread.currentThread().getPriority());
          System.out.println("in main() - Thread.currentThread().getName()="+ Thread.currentThread().getName());
          Thread threadA = new Thread(makeRunnable(), "threadA");
          threadA.start();
          try {
             Thread.sleep(3000);
          }
          catch (InterruptedException x) {
          }
          System.out.println("in main() - threadA.getPriority()="+ threadA.getPriority());
       }
    }
    

以上代码运行输出结果为:

    in main() - Thread.currentThread().getPriority()=5
    in main() - Thread.currentThread().getName()=main
    in run() - priority=5, name=threadA
    in run() - priority=5, name=threadA
    in main() - threadA.getPriority()=5
    in run() - priority=5, name=threadA
    in run() - priority=5, name=threadA
    in run() - priority=5, name=threadA
    
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